Detection tool capable of detecting torsion springs with different sizes

Abstract

The utility model relates to the technical field of torsional spring detection tools, in particular to a detection tool capable of detecting torsional springs with different sizes, which mainly comprises a base, a controller, a fixing box arranged on the front side of the base, a torsional spring arranged at the bottom of the base, a fixing mechanism arranged above the fixing box and used for fixing the torsional spring, and a clamping mechanism arranged above the fixing box and used for clamping the torsional spring. And the detection mechanism is arranged on one side of the fixing mechanism and is used for detecting the performance of the torsion spring. According to the detection tool capable of detecting the torsion springs of different sizes, the two ends of the torsion springs are clamped in the clamping grooves and the clamping holes, then the torsion springs can be fixed, the pressing plate can limit the tops of the torsion springs, the torsion springs are not prone to moving up and down and sliding, the measurement accuracy is guaranteed, the first motor drives the rotating shaft and the bottom plate to rotate, and the detection accuracy is improved. And the rotation angle of the torsion spring can be accurately observed through the first scale mark and the second scale mark, so that the measurement accuracy is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of torsion spring inspection tools, in particular to an inspection tool capable of inspecting torsion springs of different sizes. Background Art

[0002] The most important performance of a torsion spring is torque, and the angle of the torsion arm directly affects the torque of the torsion spring. Therefore, the domestic spring industry generally controls the torque by requiring the angle of the torsion arm. Both the external torsion arm torsion spring and the straight torsion arm torsion spring can directly measure the angle through image measuring instruments and other testing equipment. The torsion spring gauge is a tool and equipment used to measure and evaluate the performance and characteristics of the torsion spring. These gauges can help engineers and testers ensure that the torsion spring meets the design requirements and maintains consistency during the production process.

[0003] The Chinese patent publication number is CN216593146U, which discloses a torsion spring angle measuring fixture, which relates to the field of detection tools. The key points of its technical solution are that it includes a base, a support column fixed on the base, a sliding sleeve connected to the support column, a stopper installed on the sliding sleeve, and a column installed on the base, and the base is provided with an angle line. The application can conveniently detect torsion springs without torsion arms and reduce measurement errors.

[0004] However, there are still the following disadvantages: the device directly blocks the upper end of the torsion spring through the stopper. When measuring, since the stopper does not fix the upper end of the torsion spring, the torsion spring is prone to sideways sliding and moving up and down, thereby reducing the accuracy of the measurement.

[0005] Therefore, a testing fixture which can detect torsion springs of different sizes is proposed. Utility Model Content

[0006] The purpose of the utility model is to provide a test fixture capable of testing torsion springs of different sizes, so as to solve the problems raised by the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A test fixture capable of testing torsion springs of different sizes comprises: a base;

[0009] A controller, arranged on the front side of the base;

[0010] A fixing box, arranged at the bottom of the base;

[0011] A torsion spring, arranged above the fixing box;

[0012] A fixing mechanism, arranged above the fixing box, for fixing the torsion spring;

[0013] The detection mechanism is arranged on one side of the fixing mechanism and is used to detect the performance of the torsion spring.

[0014] Preferably, the fixing mechanism includes a first motor fixedly mounted on the inner wall of the upper end of the fixing box, a rotating shaft is fixedly mounted on the output end of the first motor, the upper end of the rotating shaft rotates and passes through the inner wall of the upper end of the fixing box to fix a bottom plate, a first scale line is arranged on the top surface of the bottom plate, and a first threaded hole is opened on the top surface of the bottom plate.

[0015] Preferably, a rod core is threadedly connected to the inner wall of the first threaded hole, a cylinder is integrally installed on the middle outer wall of the rod core, a bearing is fixedly installed on the outer wall of the upper end of the rod core through a nut, the bottom surface of the bearing contacts the top surface of the cylinder, a pressure plate is fixedly installed on the outer wall of the bearing, and a second scale line is provided on the top surface of the pressure plate.

[0016] Preferably, a mounting groove is provided on the top surface of the base plate, a first slider is slidably connected to the inner wall of the mounting groove, a clamping hole is provided on the top surface of the first slider, two second threaded holes are provided on the top surface of the first slider, a fixing plate is fixedly installed on the inner wall of the mounting groove by internal angle bolts, and two first sliding grooves are provided on the top surface of the fixing plate.

[0017] Preferably, the inner walls of the two first sliding grooves are respectively slidably connected with first bolts, the outer walls of the lower ends of the two first bolts are respectively threadedly connected with the inner walls of the two second threaded holes, and a movable groove is formed through the top surface of the fixing plate.

[0018] Preferably, the outer wall of the pressure plate is provided with a connecting groove, the inner wall of the upper end of the connecting groove is provided with two second sliding grooves, the inner wall of the connecting groove is slidably connected with a second slider, the top surface of the second slider is connected to the second sliding groove by a second bolt, the top surface of the second slider is provided with a clamping groove, the inner wall of the lower end of the connecting groove is provided with a through groove, and the two ends of the torsion spring are respectively connected to the clamping hole and the clamping groove.

[0019] Preferably, the detection mechanism includes a fixed frame fixedly installed on the top surface of the base, the front side of the fixed frame is fixedly connected to the second motor, the inner wall of the fixed frame is rotatably connected to a threaded rod, one end of the threaded rod is fixedly connected to the output end of the second motor, the outer wall of the threaded rod is meshingly connected to a threaded sleeve, and the side of the threaded sleeve is slidably connected to the inner wall of the fixed frame.

[0020] Preferably, a connecting rod is fixedly installed on the top surface of the threaded sleeve, a fixing rod is fixedly installed on the top surface of the connecting rod, a through hole is opened through the top surface of the fixing rod, a measuring rod is connected to the inner wall of the through hole by a hexagonal bolt, a measuring hole is opened on the top surface of the pressure plate, and the outer wall of the lower end of the measuring rod is slidably connected to the inner wall of the measuring hole.

[0021] Compared with the prior art, the beneficial effects of the utility model are:

[0022] The utility model can fix the torsion spring by clamping the two ends of the torsion spring in the clamping groove and the clamping hole, and the pressure plate can limit the top of the torsion spring, so that the torsion spring is not easy to move up and down and slide, thereby ensuring the accuracy of measurement. The first motor drives the rotating shaft and the bottom plate to rotate, and then drives the torsion spring to rotate. The rotation angle of the torsion spring can be accurately observed through the first scale line and the second scale line, thereby further improving the accuracy of measurement.

[0023] By controlling the first bolt and the second bolt, the positions of the first slider and the second slider can be adjusted. When measuring torsion springs of different sizes, the positions of the card hole and the card slot can be adjusted. This is suitable for measuring torsion springs of different sizes. There is no need to replace the device or mounting parts, thereby reducing the cost of the device and improving efficiency.

[0024] By turning on the second motor, the threaded rod is driven to rotate, the threaded rod drives the threaded sleeve, the connecting rod and the fixed rod to move, the fixed rod drives the measuring rod to move, and the height of the measuring rod is adjusted to connect it to the measuring hole to fix the pressure plate. The torque measured by the measuring rod can accurately obtain the detection value of the torsion spring, and the measurement is more accurate and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0026] Figure 2 It is a schematic cross-sectional view of a local three-dimensional structure of the utility model;

[0027] Figure 3 It is an exploded view of a partial three-dimensional structure of the utility model;

[0028] Figure 4 This is an exploded view of the three-dimensional structure of the bottom plate of the utility model;

[0029] Figure 5 It is a schematic diagram of the three-dimensional structure of the pressing plate of the utility model.

[0030] In the figure: 1, base; 101, controller; 102, fixing box; 2, fixing mechanism; 201, first motor; 202, rotating shaft; 203, bottom plate; 204, first scale line; 205, first threaded hole; 206, rod core; 207, cylinder; 208, bearing; 209, pressing plate; 210, nut; 211, second scale line; 212, mounting groove; 213, first slider; 214, clamping hole; 215, second threaded hole; 216, fixing plate ; 217, first slide groove; 218, first bolt; 219, movable groove; 220, connecting groove; 221, second slide groove; 222, second slider; 223, second bolt; 224, through groove; 225, slot; 3, detection mechanism; 301, fixed frame; 302, second motor; 303, threaded rod; 304, threaded sleeve; 305, connecting rod; 306, fixed rod; 307, through hole; 308, measuring rod; 309, measuring hole; 4, torsion spring. DETAILED DESCRIPTION

[0031] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0032] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application. Example

[0033] See also Figure 1-5 , the utility model provides a technical solution: a gauge that can detect torsion springs of different sizes, comprising: a base 1, a controller 101, arranged at the front side of the base 1, a fixing box 102, arranged at the bottom of the base 1, and a torsion spring 4, arranged above the fixing box 102;

[0034] The fixing mechanism 2 is arranged above the fixing box 102 and is used to fix the torsion spring 4. The fixing mechanism 2 includes a first motor 201 fixedly mounted on the inner wall of the upper end of the fixing box 102. A rotating shaft 202 is fixedly mounted on the output end of the first motor 201. A bottom plate 203 is fixedly mounted on the inner wall of the upper end of the fixing box 102 at the upper end of the rotating shaft 202. A first scale line 204 is arranged on the top surface of the bottom plate 203. A first threaded hole 205 is opened on the top surface of the bottom plate 203. The first threaded hole 205 is fixedly mounted on the output end of the first motor 201. The inner wall of the rod core 206 is threadedly connected, and a cylinder 207 is integrally installed on the middle outer wall of the rod core 206. A bearing 208 is fixedly installed on the outer wall of the upper end of the rod core 206 through a nut 210. The bottom surface of the bearing 208 contacts the top surface of the cylinder 207. A pressure plate 209 is fixedly installed on the outer wall of the bearing 208. The top surface of the pressure plate 209 is provided with a second scale line 211. The top surface of the bottom plate 203 is provided with a mounting groove 212. The inner wall of the mounting groove 212 is slidably connected to a first slider 213. The first slider 213 The top surface of the first slider 213 is provided with a clamping hole 214, the top surface of the first slider 213 is provided with two second threaded holes 215, the inner wall of the mounting groove 212 is fixedly installed with a fixing plate 216 by an inner angle bolt, the top surface of the fixing plate 216 is provided with two first sliding grooves 217, the inner walls of the two first sliding grooves 217 are respectively slidably connected with first bolts 218, the outer walls of the lower ends of the two first bolts 218 are respectively threadedly connected with the inner walls of the two second threaded holes 215, and the top surface of the fixing plate 216 is provided with a There is a moving groove 219, the outer wall of the pressure plate 209 is provided with a connecting groove 220, the inner wall of the upper end of the connecting groove 220 is provided with two second sliding grooves 221, the inner wall of the connecting groove 220 is slidably connected with a second slider 222, the top surface of the second slider 222 is connected to the second sliding groove 221 through a second bolt 223, the top surface of the second slider 222 is provided with a clamping groove 225, the inner wall of the lower end of the connecting groove 220 is provided with a through groove 224, and the two ends of the torsion spring 4 are respectively connected with the clamping hole 214 and the clamping groove 225;

[0035] By clamping the two ends of the torsion spring 4 in the clamping slot 225 and the clamping hole 214, the torsion spring 4 can be fixed, and the pressure plate 209 can limit the top of the torsion spring 4, so that the torsion spring 4 is not easy to move up and down and slide, thereby ensuring the accuracy of measurement. The first motor 201 drives the rotating shaft 202 and the bottom plate 203 to rotate, and then drives the torsion spring 4 to rotate. The rotation angle of the torsion spring 4 can be accurately observed through the first scale line 204 and the second scale line 211, further improving the accuracy of measurement; by controlling the first bolt 218 and the second bolt 223, the position of the first slider 213 and the second slider 222 can be adjusted. When measuring torsion springs 4 of different sizes, the position of the clamping hole 214 and the clamping slot 225 can be adjusted, which is suitable for measuring torsion springs 4 of different sizes, without replacing the device or the mounting parts, thereby reducing the cost of the device and improving the efficiency; Example

[0036] like Figure 1-5As shown, a check fixture for detecting torsion springs of different sizes disclosed in the second embodiment of the present invention has a structure that is basically the same as that in the first embodiment, except that a detection mechanism 3 is arranged on one side of the fixing mechanism 2 and is used to detect the performance of the torsion spring 4. The detection mechanism 3 includes a fixing frame 301 fixedly mounted on the top surface of the base 1, a second motor 302 is fixedly connected to the front side of the fixing frame 301, a threaded rod 303 is rotatably connected to the inner wall of the fixing frame 301, and one end of the threaded rod 303 is fixedly connected to the output end of the second motor 302. Fixed connection, the outer wall of the threaded rod 303 is meshed with a threaded sleeve 304, the side of the threaded sleeve 304 is slidably connected to the inner wall of the fixed frame 301, the top surface of the threaded sleeve 304 is fixedly installed with a connecting rod 305, the top surface of the connecting rod 305 is fixedly installed with a fixing rod 306, the top surface of the fixing rod 306 is penetrated with a through hole 307, the inner wall of the through hole 307 is connected with a measuring rod 308 through a hexagonal bolt, the top surface of the pressing plate 209 is opened with a measuring hole 309, and the outer wall of the lower end of the measuring rod 308 is slidably connected with the inner wall of the measuring hole 309;

[0037] By turning on the second motor 302, the threaded rod 303 is driven to rotate, and the threaded rod 303 drives the threaded sleeve 304, the connecting rod 305 and the fixed rod 306 to move. The fixed rod 306 drives the measuring rod 308 to move. By adjusting the height of the measuring rod 308 and connecting it to the measuring hole 309 to fix the pressure plate 209, the torque measured by the measuring rod 308 can accurately obtain the detection value of the torsion spring 4, and the measurement is more accurate and convenient.

[0038] The specific solution is as follows: according to the size of the torsion spring 4, the first bolt 218 and the second bolt 223 are controlled to adjust the positions of the first slider 213 and the second slider 222, the lower end of the torsion spring 4 is hung in the clamping hole 214, the bearing 208 is sleeved on the rod core 206 and fixed by the nut 210, and then the pressing plate 209 is fixed to the upper and lower limits of the torsion spring 4, the upper end of the torsion spring 4 is hung on the clamping groove 225, and the second motor 302 is turned on to drive the threaded rod 303 to rotate, and the threaded rod 303 drives the threaded sleeve 304, the connecting rod 305 and the fixing rod 306 to move, and the fixing rod 306 Drive the measuring rod 308 to move, and fix it to the pressure plate 209 by adjusting the height of the measuring rod 308 and connecting it to the measuring hole 309. Turn on the first motor 201 to drive the rotating shaft 202 and the bottom plate 203 to rotate, and then drive the torsion spring 4 to rotate. The rotation angle of the torsion spring 4 can be accurately observed through the first scale line 204 and the second scale line 211. At the same time, the torque of the rotation of the torsion spring 4 is transmitted to the pressure plate 209, and the pressure plate 209 is transmitted to the measuring rod 308. The measured torque is displayed on the display screen on the controller 101, which is convenient for observation and suitable for measuring torsion springs 4 of different sizes. It is convenient and quick.

[0039] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0040] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A test fixture capable of testing torsion springs of different sizes, characterized in that: include: Base (1); A controller (101), arranged on the front side of the base (1); A fixing box (102) is arranged at the bottom of the base (1); A torsion spring (4) is arranged above the fixing box (102); A fixing mechanism (2), arranged above the fixing box (102), and used for fixing the torsion spring (4); The detection mechanism (3) is arranged on one side of the fixing mechanism (2) and is used to detect the performance of the torsion spring (4).

2. A test fixture capable of testing torsion springs of different sizes according to claim 1, characterized in that: The fixing mechanism (2) comprises a first motor (201) fixedly mounted on the inner wall of the upper end of the fixing box (102); a rotating shaft (202) is fixedly mounted on the output end of the first motor (201); the upper end of the rotating shaft (202) rotates through the inner wall of the upper end of the fixing box (102); a bottom plate (203) is fixedly mounted on the top surface of the bottom plate (203); a first scale line (204) is arranged on the top surface of the bottom plate (203); and a first threaded hole (205) is opened on the top surface of the bottom plate (203).

3. A test fixture capable of testing torsion springs of different sizes according to claim 2, characterized in that: The inner wall of the first threaded hole (205) is threadedly connected to a rod core (206); a cylinder (207) is integrally mounted on the middle outer wall of the rod core (206); a bearing (208) is fixedly mounted on the outer wall of the upper end of the rod core (206) via a nut (210); the bottom surface of the bearing (208) is in contact with the top surface of the cylinder (207); a pressure plate (209) is fixedly mounted on the outer wall of the bearing (208); and a second scale line (211) is provided on the top surface of the pressure plate (209).

4. A test fixture capable of testing torsion springs of different sizes according to claim 3, characterized in that: The top surface of the bottom plate (203) is provided with a mounting groove (212), the inner wall of the mounting groove (212) is slidably connected with a first sliding block (213), the top surface of the first sliding block (213) is provided with a clamping hole (214), the top surface of the first sliding block (213) is provided with two second threaded holes (215), the inner wall of the mounting groove (212) is fixedly mounted with a fixing plate (216) by means of internal angle bolts, and the top surface of the fixing plate (216) is provided with two first sliding grooves (217).

5. A test fixture capable of testing torsion springs of different sizes according to claim 4, characterized in that: The inner walls of the two first sliding grooves (217) are respectively slidably connected with first bolts (218), the outer walls of the lower ends of the two first bolts (218) are respectively threadedly connected with the inner walls of the two second threaded holes (215), and a moving groove (219) is formed through the top surface of the fixing plate (216).

6. A test fixture capable of testing torsion springs of different sizes according to claim 5, characterized in that: The outer wall of the pressure plate (209) is provided with a connecting groove (220), the inner wall of the upper end of the connecting groove (220) is provided with two second sliding grooves (221), the inner wall of the connecting groove (220) is slidably connected with a second slider (222), the top surface of the second slider (222) is connected to the second sliding groove (221) via a second bolt (223), the top surface of the second slider (222) is provided with a clamping groove (225), the inner wall of the lower end of the connecting groove (220) is provided with a through groove (224), and the two ends of the torsion spring (4) are respectively connected to the clamping hole (214) and the clamping groove (225).

7. A test fixture capable of testing torsion springs of different sizes according to claim 3, characterized in that: The detection mechanism (3) comprises a fixed frame (301) fixedly mounted on the top surface of the base (1); a second motor (302) is fixedly connected to the front side of the fixed frame (301); a threaded rod (303) is rotatably connected to the inner wall of the fixed frame (301); one end of the threaded rod (303) is fixedly connected to the output end of the second motor (302); a threaded sleeve (304) is meshingly connected to the outer wall of the threaded rod (303); and a side of the threaded sleeve (304) is slidably connected to the inner wall of the fixed frame (301).

8. The inspection tool capable of inspecting torsion springs of different sizes according to claim 7, characterized in that: A connecting rod (305) is fixedly mounted on the top surface of the threaded sleeve (304), a fixing rod (306) is fixedly mounted on the top surface of the connecting rod (305), a through hole (307) is formed through the top surface of the fixing rod (306), a measuring rod (308) is connected to the inner wall of the through hole (307) via a hexagonal bolt, a measuring hole (309) is formed on the top surface of the pressure plate (209), and the outer wall of the lower end of the measuring rod (308) is slidably connected to the inner wall of the measuring hole (309).

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